CN116750637B - Crane for lifting duct pieces - Google Patents
Crane for lifting duct pieces Download PDFInfo
- Publication number
- CN116750637B CN116750637B CN202311009045.0A CN202311009045A CN116750637B CN 116750637 B CN116750637 B CN 116750637B CN 202311009045 A CN202311009045 A CN 202311009045A CN 116750637 B CN116750637 B CN 116750637B
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- piece
- clamping
- assembly
- lifting
- flange
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- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 6
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/42—Gripping members engaging only the external or internal surfaces of the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of duct piece lifting and provides a crane for duct piece lifting, which comprises a lifting frame and a lifting assembly hung on the lifting frame, wherein the lifting assembly comprises a mounting frame hung on the lifting frame, a turnover driving assembly arranged on the mounting frame and a clamping assembly connected below the mounting frame; the overturning driving assembly comprises a first motor arranged on the mounting frame, a driving piece arranged on an output shaft of the first motor and a transmission assembly driven by the driving piece; the clamping assembly comprises a mounting seat, an air cylinder arranged in the mounting seat, a pushing piece driven by the air cylinder, a first clamping piece and a second clamping piece which are connected with the pushing piece, and the transmission assembly is connected with two ends of the mounting seat; the first motor drives the driving piece to drive the transmission assembly to operate so that the clamping assembly turns over. The crane for lifting the pipe piece can lift the pipe piece from the die to the storage place and overturn the pipe piece in the lifting process, so that the problem of pipe piece collision and damage caused by transportation is avoided.
Description
Technical Field
The invention relates to the technical field of duct piece lifting, in particular to a crane for duct piece lifting.
Background
After the preparation of the duct piece is completed, the duct piece needs to be demolded by using a crane and lifted to a storage place for storage, wherein when the duct piece is stored, the duct piece is stored in a vertical mode to save the field. After the segment is prepared, the segment is transversely positioned in a die, the existing crane needs to be moved to a turnover machine after lifting the segment from the die, then the segment is loosened to be connected with the segment, the segment is turned by 90 degrees through the turnover machine, and then the crane lifts the segment which is turned by 90 degrees again to lift the segment to a storage place, so that the use efficiency of the machine is low, the whole lifting process is long, and the segment is easy to collide and damage due to the fact that the number of times of the segment is large.
Disclosure of Invention
In order to solve or at least alleviate the above problems, the present invention provides a crane for handling segments.
The invention provides a crane for lifting duct pieces, which comprises a lifting frame and a lifting assembly hung on the lifting frame, wherein the lifting assembly comprises a mounting frame hung on the lifting frame, a turnover driving assembly arranged on the mounting frame and a clamping assembly connected below the mounting frame; the overturning driving assembly comprises a first motor arranged on the mounting frame, a driving piece arranged on an output shaft of the first motor, and a transmission assembly driven by the driving piece; the clamping assembly comprises a mounting seat, an air cylinder arranged in the mounting seat, a pushing piece driven by the air cylinder, a first clamping piece and a second clamping piece which are connected with the pushing piece, and the transmission assembly is connected with two ends of the mounting seat; the first motor drives the driving piece to drive the transmission assembly to operate so that the clamping assembly is overturned.
In some embodiments, the mounting base is provided with a slot, the pushing member can move in the slot, the mounting base is respectively provided with a groove at a position corresponding to the first clamping member and the second clamping member, and the first clamping member and the second clamping member are respectively movably mounted in the corresponding grooves under the action of the pushing member.
In some embodiments, the pusher includes a U-shaped body and a slider disposed at a center of the U-shaped body, the slider slidably engaged in a chute of the mount, the two legs of the U-shaped body of the pusher extending obliquely outward away from each other.
In some embodiments, the transmission assembly includes a first driven member and a second driven member driven by the driving member, a first reel coupled to the first driven member, a second reel coupled to the second driven member, a first pull cord wound on the first reel, and a second pull cord wound on the second reel.
In some embodiments, the flip drive assembly further includes a first stop assembly disposed adjacent the first reel and a second stop assembly disposed adjacent the second reel.
In some embodiments, the first and second stop assemblies each include a first wheel, a second wheel disposed above the first wheel, and a third wheel disposed on a side of the first and second wheels remote from the respective reel.
In some embodiments, the clamp assembly further comprises a first abutment assembly mounted to the underside of the second clamp, and a second abutment assembly mounted to the underside of the first clamp.
In some embodiments, the first and second abutment assemblies each include a second motor mounted on the underside of the respective clamp, a third driven member driven by the second motor, a first link coupled to the third driven member, a second link rotatably mounted on the underside of the respective clamp, and a stop hingedly coupled to the first and second links.
In some embodiments, the clamping surfaces of the first clamping member and the second clamping member are respectively provided with a pressure sensor.
In some embodiments, a first flange perpendicular to the clamping surface of the first clamping member is disposed on the upper side of the first clamping member, and a second flange perpendicular to the clamping surface of the second clamping member is disposed on the upper side of the second clamping member, and distance sensors are disposed on the first flange and the second flange, respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. the crane for lifting the duct piece can realize overturning in the lifting process when lifting the duct piece from the die to the storage place, does not need an additional overturning machine, has high mechanical use efficiency, consumes short time in the whole lifting process, and solves the problem that the duct piece is easy to collide and damage due to the fact that the number of times of the duct piece is more.
2. The crane for lifting the duct pieces can turn the duct pieces by 90 degrees, so that a user can conveniently store the duct pieces in a storage place in a vertical mode.
3. The first pull rope passes between the first wheel and the second wheel and then bypasses the third wheel, so that protection is provided for the first pull rope, and shaking of the first pull rope is reduced while the first pull rope can be prevented from being separated from a preset route.
Drawings
Fig. 1 shows a perspective view of a crane for handling segments according to a first embodiment of the invention.
Fig. 2 shows a perspective view of the handling assembly of the crane shown in fig. 1.
Fig. 3 shows a plan view of the trolley assembly shown in fig. 2 and shows a cross-sectional view along line A-A.
Fig. 4 shows a schematic plan view of the handling process of the handling assembly of the crane shown in fig. 1, with a partial enlargement of parts.
Fig. 5 shows a perspective view of the handling assembly of the crane of fig. 1 when lifting a segment.
Fig. 6 shows a perspective view of the handling assembly of the crane of fig. 1 when handling a pipe piece.
Fig. 7 shows a perspective view of the handling assembly of the crane of fig. 1 when the segments are inverted.
Fig. 8 shows a perspective view of a crane for handling segments according to a second embodiment of the invention.
Fig. 9 shows a perspective view of a crane for handling segments according to a third embodiment of the invention.
Fig. 10 shows a perspective view of a crane for handling segments according to a fourth embodiment of the invention.
Reference numerals illustrate: 200-crane; 1-a hoisting frame; 2-lifting the assembly; 21-a mounting rack; 22-a flip drive assembly; 221-a first motor; 222-a driver; 223-a first follower; 224-a second follower; 225-a first reel; 226-a second reel; 227-a first stop assembly; 271-first round; 272-a second round; 273-third wheel; 228-a second stop assembly; 291-first pull cord; 292-a second pull cord; 290-driving piece; 23-a clamping assembly; 231-mount; 311-slotting; 312-sliding grooves; 232-cylinder; 233-pushing member; 331-a slider; 234-a first clamp; 341-a first flange; 235-a second clamp; 351-a second flange; 236-a first abutment assembly; 361-a second motor; 362-a third follower; 363-first link; 364-second link; 365-stop; 237-a second abutment assembly; 24-connecting rods; 3-segment.
Detailed Description
The following detailed description of the invention refers to the accompanying drawings and the detailed description of the invention, so that the technical scheme and the beneficial effects of the invention are more clear. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the invention, for which reason the dimensions are shown in the drawings for the purpose of clarity and not in a limiting sense.
First embodiment
As shown in fig. 1 to 3, a crane 200 for handling a segment according to a first embodiment of the present invention includes a frame 1 and a handling assembly 2 hung on the frame 1. In this embodiment, the crane 200 is preferably a gantry crane, wherein the crane frame 1 is movably installed at an upper portion of a workshop, and a specific structure of the crane frame 1 may be a structure existing in the prior art, which will not be described in detail herein.
The lifting assembly 2 comprises a mounting frame 21 hung on the lifting frame 1, a turnover driving assembly 22 arranged on the mounting frame 21, a clamping assembly 23 connected below the mounting frame 21, and a connecting rod 24 connected between the mounting frame 21 and the clamping assembly 23. The flip driving assembly 22 includes a first motor 221 mounted on the mounting frame 21, a driving member 222 mounted on an output shaft of the first motor 221, and a transmission assembly driven by the driving member 222. The first motor 221 drives the driving member 222 to drive the transmission assembly to operate, so that the clamping assembly 23 is turned over. The transmission assembly includes a first follower 223 and a second follower 224 driven by the driving member 222, a first reel 225 connected to the first follower 223, a second reel 226 connected to the second follower 224, a first pulling rope 291 wound around the first reel 225, and a second pulling rope 292 wound around the second reel 226. The first follower 223 and the second follower 224 are symmetrically disposed at both sides of the driving member 222. Preferably, the driving member 222, the first driven member 223 and the second driven member 224 are gears, respectively. In the present embodiment, the direction in which the first cord 291 winds around the first reel 225 is opposite to the direction in which the second cord 292 winds around the second reel 226. The first pulling cord 291 is connected to one side of the clamping assembly 23 and the second pulling cord 292 is connected to the other side of the clamping assembly 23. Preferably, the flip drive assembly 22 further includes a first stop assembly 227 disposed adjacent the first reel 225 and a second stop assembly 228 disposed adjacent the second reel 226. In this embodiment, the first limiting component 227 has the same structure as the second limiting component 228. Here, the first limiting block 227 is described as an example. The first limit assembly 227 includes a first wheel 271, a second wheel 272 disposed above the first wheel 271, and a third wheel 273 disposed on a side of the first wheel 271 and the second wheel 272 remote from the first reel 225. The first pulling rope 291 passes between the first wheel 271 and the second wheel 272 and then bypasses the third wheel 273, thereby providing protection for the first pulling rope 291, and reducing shaking of the first pulling rope 291 while preventing the first pulling rope 291 from being out of a predetermined route.
When the driving member 222 drives the first follower 223 and the second follower 224 to rotate, the first pulling rope 291 is wound around the first reel 225 as the first reel 225 rotates, and the second pulling rope 292 is unwound from the second reel 226 as the second reel 226 rotates, so that the first pulling rope 291 connected to one side of the clamping assembly 23 is shortened and the second pulling rope 292 connected to the other side of the clamping assembly 23 is lengthened, thereby accomplishing the inversion of the clamping assembly 23.
In this embodiment, the clamping assembly 23 includes a mounting base 231, a cylinder 232 disposed in the mounting base 231, a pusher 233 driven by the cylinder 232, a first clamping member 234 and a second clamping member 235 engaged with the pusher 233, a first blocking assembly 236 mounted on the lower side of the second clamping member 235, and a second blocking assembly 237 mounted on the lower side of the first clamping member 234. Preferably, one axial end of the connecting rod 24 is fixed below the mounting frame 21, and the other axial end is hinged to the mounting seat 231 of the clamping assembly 23. The mounting seat 231 is provided with a slot 311, and the pushing member 233 can move in the slot 311. Preferably, the pushing member 233 includes a U-shaped body and a slider 331 disposed at the center of the U-shaped body. The mounting seat 231 is provided with a sliding slot 312, and the sliding block 331 is slidably engaged in the sliding slot 312. The legs of the U-shaped body of the pusher 233 extend obliquely outwardly away from each other. The first clamp 234 and the second clamp 235 are engaged on the two legs of the push member 233, respectively. Each of the first clamping member 234 and the second clamping member 235 is provided with a perforation at a position corresponding to the two legs of the pushing member 233, and the two legs of the pushing member 233 respectively pass through the corresponding perforation. The mounting seat 231 is provided with grooves at positions corresponding to the first clamping member 234 and the second clamping member 235, respectively, and the first clamping member 234 and the second clamping member 235 are movably mounted in the corresponding grooves under the action of the pushing member 233, respectively.
The first clamping member 234 and the second clamping member 235 are moved toward or away from each other by the pushing member 233, so that different sizes of duct pieces can be adapted. The upper side of the first clamping member 234 is provided with a first flange 341 perpendicular to the clamping surface thereof, and the upper side of the second clamping member 235 is provided with a second flange 351 perpendicular to the clamping surface thereof. Preferably, the first flange 341 and the second flange 351 are respectively provided with a distance sensor capable of sensing a distance from the segment 3, and when the distance from the segment 3 reaches a preset value, the cylinder 232 drives the pushing member 233 to move so that the first clamping member 234 and the second clamping member 235 approach each other to clamp the segment 3. Preferably, the first flange 341 and the second flange 351 are butted against the upper side of the tube sheet 3. The above arrangement of the first flange 341 and the second flange 351 can enable the first clamping member 234 and the second clamping member 235 to be in an optimal lifting position, preventing unbalanced lifting due to excessive deviation of the center of gravity of the segment 3. Further, the gripping surfaces of the first gripping member 234 and the second gripping member 235 are respectively provided with pressure sensors, and when detecting that the pressure applied to the segment 3 is a preset value, the driving of the cylinder 232 is stopped.
The first abutment assembly 236 is disposed on the underside of the second clamp 235 opposite the second flange 351, and the second abutment assembly 237 is disposed on the underside of the first clamp 234 opposite the first flange 341. Preferably, the first abutment member 236 is identical in construction to the second abutment member 237, and the first abutment member 236 is described in detail herein.
Referring to fig. 4 to 7 together, the first blocking assembly 236 includes a second motor 361 installed at the lower side of the second clamping member 235, a third driven member 362 driven by the second motor 361, a first link 363 connected to the third driven member 362, a second link 364 rotatably installed at the lower side of the second clamping member 235, and a stopper 365 hingedly connected to the first link 363 and the second link 364. Under the driving of the second motor 361, the stop member 365 extends or retracts relative to the second clamping member 235 along with the rotation of the first connecting rod 363 and the second connecting rod 364, so that the pipe piece 3 clamped between the first clamping member 234 and the second clamping member 235 is blocked, double guarantee is provided for the lifting process and the overturning process of the pipe piece 3, and the safety of the lifting assembly 2 is enhanced. The stoppers of the first and second resisting assemblies 236 and 237 are respectively provided with a pressure sensor, and when the pressure of the stoppers against the tube sheet 3 reaches a preset value, the operation of the corresponding motor is stopped, so that the stoppers are against the tube sheet 3. When the first and second abutment assemblies 236, 237 are not in use, the respective stops are retracted on the underside of the respective clamps.
Specifically, after the preparation of the segment 3 is completed, the mold is opened, the handling assembly 2 is moved to above the segment 3 to be lifted off, and then moved toward the segment 3, so that the first clamping piece 234 and the second clamping piece 235 of the clamping assembly 23 are respectively located at both sides of the segment 3, while the first flange 341 and the second flange 351 are respectively located at the upper side of the segment 3, the distance between the first flange 341 and the second flange 351 is detected by the distance sensors on the first flange 341 and the second flange 351, when the distance reaches a preset value, the pushing piece 233 is driven by the cylinder 232 to move so that the first clamping piece 234 and the second clamping piece 235 are close to each other, when the pressure sensor on the clamping surface of the first clamping piece 234 and the second clamping piece 235 detects that the pressure applied to the segment 3 is a preset value, the driving of the cylinder 232 is stopped, at this time, the segment 3 is clamped between the first clamping piece 234 and the second clamping piece 235, and after the distance between the first clamping piece 3 and the second clamping piece 351 is lifted off the mold, the respective motor of the first abutment assembly 236 and the second abutment assembly 237 starts to extend the corresponding abutment piece 237 from the segment 3 between the first flange and the second clamping piece 3 and the second clamping piece 237 and the second abutment assembly 236. When the pipe piece 3 is lifted to a storage place, the overturning driving assembly 22 operates, the driving piece 222 drives the first driven piece 223 and the second driven piece 224 to rotate, the first pull rope 291 winds on the first reel 225 along with the rotation of the first reel 225, the second pull rope 292 unwinds on the second reel 226 along with the rotation of the second reel 226, so that the first pull rope 291 connected with one side of the clamping assembly 23 is shortened, and the second pull rope 292 connected with the other side of the clamping assembly 23 is lengthened, and overturning of the clamping assembly 23 around the connecting rod 24 is realized; preferably, the gripper assembly 23 is turned 90 ° so that the tube sheet 3 on the gripper assembly 23 is turned 90 ° to facilitate the user's vertical storage of the tube sheet 3 in storage.
Second embodiment
As shown in fig. 8, the crane 200 for handling a segment according to the second embodiment of the present invention omits a connecting rod as compared to the crane according to the first embodiment.
Third embodiment
As shown in fig. 9, the crane 200 for handling a segment according to the third embodiment of the present invention omits the first and second withstanding assemblies as compared to the crane according to the second embodiment.
Fourth embodiment
As shown in fig. 10, the overturning driving assembly 22 of the crane 200 for handling pipe segments according to the fourth embodiment of the present invention includes a first motor 221, a driving member 222 mounted on an output shaft of the first motor 221, and a transmission member 290 bypassing the driving member 222, wherein both ends of the transmission member 290 are connected with the clamping assembly 23. Preferably, the driving member 222 is a gear and the transmission member 290 is a chain engaged with the gear.
The above description is merely of a preferred embodiment of the present invention, the protection scope of the present invention is not limited to the above-listed examples, and any simple changes or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention disclosed in the present invention fall within the protection scope of the present invention.
Claims (5)
1. The crane for lifting the duct piece comprises a lifting frame and a lifting assembly hung on the lifting frame, and is characterized by comprising a mounting frame hung on the lifting frame, a turnover driving assembly arranged on the mounting frame and a clamping assembly connected below the mounting frame; the overturning driving assembly comprises a first motor arranged on the mounting frame, a driving piece arranged on an output shaft of the first motor, and a transmission assembly driven by the driving piece; the transmission assembly comprises a first driven part and a second driven part which are driven by the driving part, a first winding wheel connected with the first driven part, a second winding wheel connected with the second driven part, a first stay rope wound on the first winding wheel and a second stay rope wound on the second winding wheel; the clamping assembly comprises a mounting seat, an air cylinder arranged in the mounting seat, a pushing piece driven by the air cylinder, a first clamping piece and a second clamping piece which are connected with the pushing piece, and the transmission assembly is connected with two ends of the mounting seat; the first motor drives the driving piece to drive the transmission assembly to operate so that the clamping assembly turns over;
the clamping assembly further comprises a first resisting assembly arranged on the lower side of the second clamping piece and a second resisting assembly arranged on the lower side of the first clamping piece; the first resisting component and the second resisting component respectively comprise a second motor, a third driven piece, a first connecting rod, a second connecting rod and a stop piece, wherein the second motor is arranged on the lower side of the corresponding clamping piece;
the clamping surfaces of the first clamping piece and the second clamping piece are respectively provided with a pressure sensor; a first flange perpendicular to the clamping surface of the first clamping piece is arranged on the upper side of the first clamping piece, a second flange perpendicular to the clamping surface of the second clamping piece is arranged on the upper side of the second clamping piece, and distance sensors are respectively arranged on the first flange and the second flange;
after the pipe piece is prepared, opening a mould, moving a lifting assembly to the upper side of the pipe piece to be lifted, then moving towards the pipe piece, enabling the first clamping piece and the second clamping piece of the clamping assembly to be respectively positioned on two sides of the pipe piece, simultaneously enabling the first flange and the second flange to be respectively positioned on the upper side of the pipe piece, enabling distance sensors on the first flange and the second flange to detect the distance between the first flange and the second flange and the pipe piece, enabling a cylinder to drive a pushing piece to move when the distance reaches a preset value, enabling the first clamping piece and the second clamping piece to be close to each other, stopping driving of the cylinder when a pressure sensor on a clamping surface of the first clamping piece and the second clamping piece detects that the pressure applied to the pipe piece is a preset value, clamping the pipe piece between the first clamping piece and the second clamping piece at the moment, enabling the lifting assembly to lift the pipe piece from the mould, enabling motors of the first blocking assembly and the second blocking assembly to start to operate after the distance reaches a preset value, enabling corresponding blocking pieces to extend out of the pipe piece between the first blocking piece and the second blocking piece to be arranged between the first blocking piece and the second blocking piece; when handling the section of jurisdiction to deposit, the upset drive assembly operation, the driving piece drive first follower and second follower rotate, first stay cord is with first reel's rotation is twined on the first reel, and the second stay cord is with the rotation of second reel is released with the winding of second reel, thereby makes with the first stay cord that one side of clamping assembly is connected shortens, with the second stay cord that the opposite side of clamping assembly is connected is elongated, thereby realizes the upset of section of jurisdiction on the clamping assembly.
2. The crane for handling segments according to claim 1, wherein the mounting base is provided with a slot in which the pushing member is movable, and the mounting base is provided with grooves at positions corresponding to the first and second clamping members, respectively, which are movably mounted in the corresponding grooves under the action of the pushing member, respectively.
3. Crane for handling pipe pieces according to claim 2, characterized in that the pusher comprises a U-shaped body and a slide block arranged at the centre of the U-shaped body, which slide block is slidably engaged in a slide groove of the mount, the legs of the U-shaped body of the pusher extending obliquely outwards away from each other.
4. The crane for handling tube segments of claim 1, wherein the flip drive assembly further comprises a first stop assembly disposed adjacent the first reel and a second stop assembly disposed adjacent the second reel.
5. The crane for handling of pipe segments of claim 4, wherein the first and second stop assemblies each comprise a first wheel, a second wheel disposed above the first wheel, and a third wheel disposed on a side of the first and second wheels remote from the respective reel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311009045.0A CN116750637B (en) | 2023-08-11 | 2023-08-11 | Crane for lifting duct pieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311009045.0A CN116750637B (en) | 2023-08-11 | 2023-08-11 | Crane for lifting duct pieces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116750637A CN116750637A (en) | 2023-09-15 |
| CN116750637B true CN116750637B (en) | 2023-10-20 |
Family
ID=87953607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311009045.0A Active CN116750637B (en) | 2023-08-11 | 2023-08-11 | Crane for lifting duct pieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116750637B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952154U (en) * | 2011-01-28 | 2011-08-31 | 北京谊安医疗系统股份有限公司 | Lifting device for suspension bridge |
| CN102357886A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯电机（广州）有限公司 | Manipulator and workpiece grabbing and turning device |
| CN103057937A (en) * | 2012-12-21 | 2013-04-24 | 泰州市海陵区宇春机械厂 | Capacitor hanger turnover device |
| JP2014210321A (en) * | 2013-04-19 | 2014-11-13 | Thk株式会社 | Hand |
| CN211971500U (en) * | 2020-03-21 | 2020-11-20 | 北京港创瑞博混凝土有限公司 | Turnover lifting appliance |
| CN217867646U (en) * | 2022-06-02 | 2022-11-22 | 河南景美环保工程有限公司 | Fertilizer overhead hoist in bags back |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6481769B2 (en) * | 2000-10-20 | 2002-11-19 | Loren D. Harris | Multiple building block lifting device |
-
2023
- 2023-08-11 CN CN202311009045.0A patent/CN116750637B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201952154U (en) * | 2011-01-28 | 2011-08-31 | 北京谊安医疗系统股份有限公司 | Lifting device for suspension bridge |
| CN102357886A (en) * | 2011-08-31 | 2012-02-22 | 日立电梯电机（广州）有限公司 | Manipulator and workpiece grabbing and turning device |
| CN103057937A (en) * | 2012-12-21 | 2013-04-24 | 泰州市海陵区宇春机械厂 | Capacitor hanger turnover device |
| JP2014210321A (en) * | 2013-04-19 | 2014-11-13 | Thk株式会社 | Hand |
| CN211971500U (en) * | 2020-03-21 | 2020-11-20 | 北京港创瑞博混凝土有限公司 | Turnover lifting appliance |
| CN217867646U (en) * | 2022-06-02 | 2022-11-22 | 河南景美环保工程有限公司 | Fertilizer overhead hoist in bags back |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116750637A (en) | 2023-09-15 |
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